private @Nullable ByteBuffer scratch;

  /** Updates this hasher with the given byte. */
  protected abstract void update(byte b);

  /** Updates this hasher with the given bytes. */
  protected void update(byte[] b) {
    update(b, 0, b.length);
  }

  /** Updates this hasher with {@code len} bytes starting at {@code off} in the given buffer. */
  protected void update(byte[] b, int off, int len) {

            Hexdump.hexdump(log, input, offset, Math.min(len, 256));
            log.flush();
        }
        if (len == 0) {
            return; /* CRITICAL */
        }
        digest.update(input, offset, len);
        updates++;
    }

    /**
     * Computes and returns the message digest.
     *
     * @return the computed digest bytes
     */

        return duplicateHostBhv.selectByPK(id);
    }

    /**
     * Stores (inserts or updates) a duplicate host configuration.
     *
     * <p>This method immediately refreshes the index to ensure the change is visible.
     * If the configuration already exists (based on ID), it will be updated;
     * otherwise, a new configuration will be created.</p>
     *

 * <ol>
 *   <li><strong>Namespace Update</strong>: Changes namespace from Maven 4.0.0 to 4.1.0 for all elements</li>
 *   <li><strong>Schema Location Update</strong>: Updates xsi:schemaLocation to Maven 4.1.0 XSD</li>
 *   <li><strong>Module Conversion</strong>: Converts {@code <modules>} to {@code <subprojects>} and {@code <module>} to {@code <subproject>}</li>
 *   <li><strong>Model Version Update</strong>: Updates {@code <modelVersion>} to 4.1.0</li>
 * </ol>

        return context;
    }

    /**
     * Updates the preauth integrity hash with a new message.
     *
     * @param sessionId the session identifier
     * @param messageData the message data to include in hash
     * @throws CIFSException if update fails
     */
    public void updatePreauthHash(String sessionId, byte[] messageData) throws CIFSException {

        return asJson(new ApiUpdateResponse().id(relatedQuery.getId()).created(true).status(Status.OK).result());
    }

    /**
     * Updates an existing related query setting.
     *
     * @param body the related query configuration data to update
     * @return JSON response containing the updated related query ID and status
     */
    // PUT /api/admin/relatedquery/setting
    @Execute

	if user6.Name != "find or create" || user6.ID == 0 || user6.Age != 44 {
		t.Errorf("user should be found and updated with assigned attrs")
	}

	DB.Where(&User{Name: "find or create"}).Find(&user7)
	if user7.Name != "find or create" || user7.ID == 0 || user7.Age != 44 {
		t.Errorf("user should be found and updated with assigned attrs")
	}

        return asJson(new ApiResult.ApiUpdateResponse().id(entity.getId()).created(true).status(ApiResult.Status.OK).result());
    }

    /**
     * Updates an existing role setting.
     *
     * @param body the role data to update
     * @return JSON response containing the updated role setting ID
     */
    // PUT /api/admin/role/setting
    @Execute
    public JsonResponse<ApiResult> put$setting(final EditBody body) {

    }

    /**
     * Update an existing stemmer override item.
     * Validates the form data and updates the item in the dictionary.
     *
     * @param form The edit form containing updated item data
     * @return HTML response redirecting to the list page on success
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse update(final EditForm form) {

	}

	rows, err := gorm.G[User](DB).Where("id = ?", user.ID).Set(assocOp).Update(ctx)
	if err != nil {
		t.Fatalf("Set Update has-one create values failed: %v", err)
	}
	if rows != 0 {
		t.Fatalf("expected 0 rows affected for association-only update, got %d", rows)
	}

	var updated User
	if err := DB.Preload("NamedPet").First(&updated, user.ID).Error; err != nil {
		t.Fatalf("failed to load user: %v", err)
	}